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What does your .profile file say is your default PATH? (what command did you use). What...

  1. What does your .profile file say is your default PATH? (what command did you use).
  2. What is the PATH command syntax to add the directory $HOME/bin to your PATH?
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Answer #1

1. The specific settings which an unix user usually does is:

  • Setting of any environment variable
  • Setting of any alias.(Though it is always recommended to keep the aliases in a separate file).
  • Setting of PATH variable or any other path variables.

A typical ksh profile file will look as shown below:

#cat $HOME/.profile

export PATH=$PATH:~blogger/bin

export LIB_IND="1"

alias l="ls -lrt"

#

The content of the other profile will depend on the syntax of the respective shell.

Any changes made to the profile file will reflect by either of the following ways:

1. Login to the user account again.
2. Source the profile file. Sourcing the profile file means running the profile file at the command prompt.

The command to run the profile file, say .profile is:

. $HOME/.profile

In case of sourcing the profile file in tcsh or csh, the command is:

source $HOME/.login

2. add the directory $HOME/bin to your PATH

  1. Change to your home directory.

cd $HOME

  1. Open the .bashrc file.
  2. Add the following line to the file. Replace the JDK directory with the name of your java installation directory.

export PATH=/usr/java/<JDK Directory>/bin:$PATH

  1. Save the file and exit.

Use the source command to force Linux to reload the .bashrc file which normally is read only when you log in each time.

source .bashrc

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